I can't tell you how many times I've returned test cars thinking, "This model's due for an update." That was the last thing on my mind when I handed over the Mazda3. That means the 2010 model is poised to leapfrog everything else on the market, which is the only way to do it. The Corolla was just redesigned about a year ago, and I'd take a 2009 Mazda3 over it in a heartbeat. Careful, Toyota. This is how it starts.